T-Rex: Back to the Cretaceous(1998)

The prehistoric world is bigger than ever on IMAX 3-D

Dinosaurs are very much alive -- at least in the mind of teenager Ally Hayden who shares her father's passion for paleontology. When a museum accident transports Ally on a surreal adventure back in time, she encounters people and makes discoveries that might help her solve the mystery of her father's newest fossil... and even comes face to face with the most dangerous apex predator on earth.